/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/IntrinsicCorrespondenceUtils.h
the R3 position of this surface point as applied to the input Mesh on return bValidPoint will be false if the edge / vertex / triangle ID referenced by this surface point is not an element of the mesh in question
namespace UE { namespace Geometry { namespace IntrinsicCorrespondenceUtils { FVector3d UE::Geometry::IntrinsicCorrespondenceUtils::AsR3Position ( const [FSurfacePoint](API\Plugins\DynamicMesh\Operations\FSurfacePoint) & SurfacePoint, const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, bool & bValidPoint ) } } }